<template>
<div>
  <!--  面包屑导航区-->
  <el-breadcrumb separator-class="el-icon-arrow-right">
    <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
    <el-breadcrumb-item>用户管理</el-breadcrumb-item>
    <el-breadcrumb-item>用户列表</el-breadcrumb-item>
  </el-breadcrumb>
  <!--  卡片视图区-->
  <el-card>
<!--    搜索与添加区域-->

    <el-row :gutter="20">
      <el-col :span="12">
        <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUsersList">
          <el-button slot="append" icon="el-icon-search" @click="searchUser"></el-button>
        </el-input>
      </el-col>
      <el-col :span="6">
        <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
      </el-col>
    </el-row>
    <el-table :data="usersList" border stripe>
      <el-table-column label="ID" type="index"></el-table-column>
      <el-table-column label="姓名" prop="username"></el-table-column>
      <el-table-column label="邮箱" prop="email"></el-table-column>
      <el-table-column label="电话" prop="mobile"></el-table-column>
      <el-table-column label="角色" prop="role_name"></el-table-column>
      <el-table-column label="状态">
        <template slot-scope="scope">
          <el-switch
            v-model="scope.row.mg_state" @change="userStatusChange(scope.row)">
          </el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作" width="180px">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
          <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUser(scope.row.id)"></el-button>

          <el-tooltip content="分配角色" placement="top" :enterable="false">
            <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
          </el-tooltip>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :page-sizes="[1, 2, 4, 5]"
      :page-size="this.queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="this.total">
    </el-pagination>
  </el-card>

<!--  添加用户对话框-->
  <el-dialog
    title="添加用户"
    :visible.sync="addDialogVisible"
    width="50%"
    @close="addDialogClosed">
<!--    内容主体区域-->
    <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="100px" class="demo-ruleForm">
      <el-form-item label="用户名称" prop="username">
        <el-input v-model="addForm.username"></el-input>
      </el-form-item>
      <el-form-item label="用户密码" prop="password">
        <el-input v-model="addForm.password"></el-input>
      </el-form-item>
      <el-form-item label="邮箱" prop="email">
        <el-input v-model="addForm.email"></el-input>
      </el-form-item>
      <el-form-item label="手机号" prop="mobile">
        <el-input v-model="addForm.mobile"></el-input>
      </el-form-item>
    </el-form>
<!--    底部区域-->
    <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
  </el-dialog>

  <!--修改用户对话框-->
  <el-dialog
    title="修改用户"
    :visible.sync="editDialogVisible"
    width="50%"
  @close="editDialogClosed">
    <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="100px" class="demo-ruleForm">
      <el-form-item label="用户名称" prop="username">
        <el-input v-model="editForm.username" disabled></el-input>
      </el-form-item>
      <el-form-item label="邮箱" prop="email">
        <el-input v-model="editForm.email"></el-input>
      </el-form-item>
      <el-form-item label="手机号" prop="mobile">
        <el-input v-model="editForm.mobile"></el-input>
      </el-form-item>
    </el-form>
    <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUser(editForm.id)">确 定</el-button>
  </span>
  </el-dialog>

<!--  分配角色对话框-->
  <el-dialog
    title="修改用户"
    :visible.sync="setRoleDialogVisible"
    width="50%"
    @close="setRoleDialogClosed">
    <p>当前的用户：{{userInfo.username}}</p>
    <p>当前的角色：{{userInfo.role_name}}</p>
    <p>分配新角色:
      <el-select v-model="selectedRoleId" placeholder="请选择">
        <el-option
          v-for="item in rolesList"
          :key="item.id"
          :label="item.roleName"
          :value="item.id">
        </el-option>
      </el-select>
    </p>
    <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
  </el-dialog>
</div>
</template>

<script>
  export default {
    name: 'User',
    data() {
      //邮箱的自定义验证规则
      const checkEmail = (rule, value, cb) => {
        // 验证邮箱的正则表达式
        const regEmail = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
        if (regEmail.test(value)) {
          //邮箱合法
          return cb();
        }
        cb(new Error('邮箱格式错误！'));
      };
      //手机号的自定义验证规则
      const checkMobile = (rule, value, cb) => {
        //验证手机号的正则表达式
        const regMobile = /^(13[0-9]|14[5|7]|15[0|1|2|3|5|6|7|8|9]|18[0|1|2|3|5|6|7|8|9])\d{8}$/;
        if (regMobile.test(value)) {
          //邮箱合法
          return cb();
        }
        cb(new Error('手机号格式错误！'));
      }
      return {
        queryInfo: {
          query: '',
          pagenum: 1,
          pagesize: 2
        },
        usersList: [],
        total: 0,

        //控制分配角色对话框显示与隐藏的标志
        setRoleDialogVisible: false,
        //需要被分配角色的用户信息
        userInfo: {},
        //所有角色的数据列表
        rolesList: [],
        //已选中的角色ID
        selectedRoleId: '',

        //控制添加用户时弹出框显示与隐藏的标志
        addDialogVisible: false,
        //添加用户的表单数据
        addForm: {
          username: '',
          password: '',
          email: '',
          mobile: ''
        },
        //添加用户时的验证规则对象
        addFormRules: {
          username: [
            { required: true, message: '请输入用户名', trigger: 'blur' },
            { min: 3, max: 9, message: '长度应在 3 到 9 个字符', trigger: 'blur' }
          ],
          password: [
            { required: true, message: '请输入密码', trigger: 'blur' },
            { min: 6, max: 12, message: '长度应在 6 到 12 个字符', trigger: 'blur' }
          ],
          email: [
            { required: true, message: '请输入邮箱', trigger: 'blur' },
            {validator: checkEmail, trigger: 'blur'}
          ],
          mobile: [
            { required: true, message: '请输入手机号', trigger: 'blur' },
            {validator: checkMobile, trigger: 'blur'}
          ]
        },

        //控制编辑用户对话框的显示与隐藏
        editDialogVisible: false,
        //编辑用户的表单对象
        editForm: {
        },
        //编辑用户时的验证规则对象
        editFormRules: {
          email: [
            { required: true, message: '请输入邮箱', trigger: 'blur' },
            {validator: checkEmail, trigger: 'blur'}
          ],
          mobile: [
            { required: true, message: '请输入手机号', trigger: 'blur' },
            {validator: checkMobile, trigger: 'blur'}
          ]
        }
      }
    },
    //生命周期函数
    created() {
      this.getUsersList();
    },
    methods: {
      async getUsersList() {
        const {data: res} = await this.$http.get('users', {params: this.queryInfo});
        // console.log(res);
        if (res.meta.status !== 200) {
          return this.$message.error('获取用户列表失败')
        }
        this.usersList = res.data.users;
        this.total = res.data.total;
      },
      //监听 pagesize 改变事件
      handleSizeChange(newSize) {
        // console.log(newSize);
        this.queryInfo.pagesize = newSize;
        this.getUsersList();
      },
      //监听 currentPage 改变事件
      handleCurrentChange(newPage) {
        // console.log(newPage);
        this.queryInfo.pagenum = newPage;
        this.getUsersList();
      },
    //  监听用户状态的改变事件
      async userStatusChange(userInfo) {
        console.log(userInfo)
        const {data: res} = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`);
        if (res.meta.status !== 200) {
          userInfo.mg_state = !userInfo.mg_state;
          return this.$message.error('用户状态修改失败');
        }
        return this.$message.success('用户状态修改成功')
      },
      //搜索用户
      searchUser() {
        this.getUsersList();
      },
      //监听添加用户对话框的关闭事件,关闭时重置addForm的内容
      addDialogClosed() {
        this.$refs.addFormRef.resetFields();
      },
      //添加用户
      addUser() {
        this.$refs.addFormRef.validate(async vaild => {
          // console.log(vaild);
          if (!vaild) return;
          const {data: res} = await this.$http.post('users', this.addForm);
          // console.log(res);
          if (res.meta.status !== 201) return this.$message.error('添加用户失败');
          this.$message.success('添加用户成功');
          this.addDialogVisible = false;
          this.getUsersList();
        })
      },
      //监听修改用户对话框的关闭事件,关闭时重置editForm的内容
      editDialogClosed() {
        this.$refs.editFormRef.resetFields();
      },
      //显示修改用户对话框，并根据id显示被修改的用户信息
      async showEditDialog(id) {
        this.editDialogVisible = true;
        const {data: res} = await this.$http.get(`users/${id}`)
        if (res.meta.status !== 200) return this.$message.error('获取用户信息失败！');
        this.editForm = res.data;
      },
      //提交修改后的用户信息
      editUser(id) {
        this.$refs.editFormRef.validate(async valid => {
          if (!valid) return;
          const {data: res} = await this.$http.put(`users/${id}`, {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          });
          if (res.meta.status !== 200) return this.$message.error('更新失败');
          this.$message.success('更新成功');
          this.editDialogVisible = false;
          this.getUsersList();
        })
      },
      //  根据id删除用户
      async removeUser(id) {
        const confirmRes = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err);
        //如果确认删除，则confirmRes的返回值为 confirm
        //如果取消删除，则confirmRes的返回值为 cancel
        if (confirmRes === 'cancel') return this.$message.info('已取消删除');
        const {data: res} = await this.$http.delete(`users/${id}`);
        if (res.meta.status !== 200) return this.$message.error('删除失败');
        this.getUsersList();
        this.$message.success('删除成功');
      },

      //获取角色列表
      async setRole(userInfo) {
        this.userInfo = userInfo;
        const {data: res} = await this.$http.get(`roles`)
        if (res.meta.status !== 200) return this.$message.error('获取全部角色数据列表失败！');
        this.rolesList = res.data;
        this.setRoleDialogVisible = true;
      },

      //点击按钮，分配角色
      async saveRoleInfo() {
        if (!this.selectedRoleId) return this.$message.error('请选择要分配的角色！');
        const {data: res} = await this.$http.put(`users/${this.userInfo.id}/role`, {
          rid: this.selectedRoleId
        });
        console.log(res)
        if (res.meta.status !== 200) return this.$message.error('更新角色失败！');
        this.getUsersList();
        this.$message.success('更新角色成功！')
        this.setRoleDialogVisible = false;
      },

      //监听分配角色对话框关闭事件
      setRoleDialogClosed() {
        this.selectedRoleId = ''
      }
    }
  }
</script>

<style lang="less" scoped>

</style>
